Mitosis is responsible for growth, repair, and maintenance in an organism because
a. it occurs at a faster rate than meiosis.
b. the chromosome number is reduced by half.
c. exact duplicates of each mother cell are produced.
d. it is the only process that involves replication of genetic material.
Answers
Answer:
The correct answer is c
Explanation:
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Related Questions
Match each hazardous waste with its matching description.
Match Term Definition
Asbestos A) Hazardous cancer agent found in the batteries of many devices
Mercury B) Substance from thermostats known to cause reproductive issues
Cadmium C) Substance found in computer monitors that causes brain damage
Lead D) Substance known to cause lung cancer; found in older landfills
Answers
Matching each hazardous waste with its description is shown below :
Hazardous waste description
Asbestos : substance known to cause lung cancer; found in older landfills
Mercury : Substance found in computer monitors that causes brain damage
Cadmium: Hazardous cancer agent found in the batteries of many devices
Lead : Substance from thermostats known to cause reproductive issues
Too much exposure to these hazardous waste always leave a negative effect on the health of individuals, Asbestos are used in the roofing of older buildings and can be found in older landfills. the fiber from asbestos affects the Lungs ( alveoli ) of humans which might lead to lung cancer.
Mercury are used for PC's backlight and also in the mother board of modern computers too much exposure to mercury can lead to brain damage.
Cadmium are hazardous cancer causing agent used in making industrial batteries, prolonged exposure to lead poses several health risk which includes reproductive issues because lead can cut across placenta barrier between a pregnant woman and unborn child.
Hence we can conclude that matching each waste to its description is as
Asbestos : substance known to cause lung cancer; found in older landfills
Mercury : Substance found in computer monitors that causes brain damage
Cadmium: Hazardous cancer agent found in the batteries of many devices
Lead : Substance from thermostats known to cause reproductive issues
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Answer:
Asbestos A) Substance known to cause lung cancer; found in older landfills
Mercury C) Substance from thermostats known to cause reproductive issues
Cadmium B) Hazardous cancer agent found in the batteries of many devices Lead D) Substance found in computer monitors that causes brain damage
Explanation:
State one important precaution regarding the apparatus used in all food tests
Answers
Answer:
WEAR A LAB COAT TO PROTECT YOUR CLOTHES AGAINST THESE CHEMICALS, AND SAFETY GLASSES TO PROTECT EYES, UNLESS YOU ARE A SPECTACLE WEARER. (EXCEPT WET GLASSWARE, AND EMPTY CHEMICAL BOTTLES!). BE ESPECIALLY CAREFUL WITH HOT LIQUIDS AND WATERBATHS. KEEP CHEMICAL BOTTLES OFF THE BENCH, AND DO NOT CONTAMINATE PIPETTES
Explanation:
Why would you not be able to prove that an atomic bomb was dropped on Hiroshima using the scientific method?
Answers
Answer:
You would not be able to prove that an atomic bomb was dropped on Hiroshima using the scientific method Because it is a historical event. You would not be able to prove that an atomic bomb was dropped on Hiroshima using the scientific method Because it is a historical event.
What is the final event leading up to the formation of a solar system?
Answers
Answer: The final event leading up to the formation of a solar system was the " clean up of the small bodies".
Explanation:
The formation of a solar system happened a long time ago. It happened about 4.5 billion years ago. The last step was the longest event. The big bang theory explains the formation of planets.
What figurative term is "merry hell"?
onomatopoeia
personification
oxymoron
hyperbole
Answers
fibrous connective tissue that is continuous with the tendon
Answers
The fibrous connective tissue that is continuous with the tendon is known as the periosteum.
The periosteum is a dense layer of vascularized connective tissue that covers the surface of bones, except for areas covered by articular cartilage. Tendons, as well as other ligaments, attach to bones through the periosteum, which is made up of two layers. The fibrous layer, which is composed mostly of type I collagen fibers, is the outer layer. The periosteum also contains osteoblasts, osteoclasts, and chondroblasts. The inner cambium layer is the second layer. The periosteum is essential for bone growth, healing, and nutrition because it is the site of attachment for muscles and tendons.Connective tissue that is composed of bundles of collagen fibers that are arranged in a parallel fashion is known as fibrous connective tissue. In the body, it is found in ligaments, tendons, and fascia, and it serves as a mechanical support structure. Collagen fibers, which are highly tensile, are the primary component of fibrous connective tissue. It has very little blood supply, which makes it more difficult to heal when injured.Learn more about Tendons: https://brainly.com/question/139369
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an estimate of the amount of energy required to process the food an individual eats is known as the . multiple choice question. resting heart rate basal metabolic rate parabolic effect of nutrients thermic effect of food
Answers
An estimate of the amount of energy required to process the food an individual eats is known as the basal metabolic rate.
Energy is the basic requirement for all the living organisms to maintain their life and perform all the life processes. The most commonly used form of energy is ATP. The energy is synthesized within the body of the organism from the food it intakes.
Basal metabolic rate (BMR) is the amount of calories required by the body on daily basis. In humans, the range varies among males and females. For males, the normal range is around 7,100 kJ per day, while for women, it is around 5,900 kJ per day.
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The height of bean plants depends on the amount of water they receive. Identify the independent variable de pendent variable and controlled variable in this sentence
Answers
The amount of water the bean plants receive is an independent variable.
Bean plant height is a dependent variable. Other variables that are maintained constant or unaffected constitute a controlled variable.
Factors Affecting plant growthsThe primary elements that affect how a plant develops are light, heat, water, humidity, and nutrients. It is crucial to understand how these obstacles affect plant development.
The main element influencing how quickly plants develop is temperature. Plants will progress through their growth stages more quickly in warmer climates. The growth pattern and appearance of a plant can also be altered by increased temperature.
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wo friends are discussing physical and chemical changes. isabela says that when you eat, it is a physical change because when you chew, the food is only changed into smaller pieces. mirabel says that when you eat, it is a chemical change because your body digests the food as the chemicals in your body break down the food into energy. who is right?
Answers
When one eats, the food is not just changed into smaller pieces, digestion of the food starts right from the mouth. Thus, Mirabel is right.
Food digestionThe digestion of most food types starts from the mouth once they get mixed with the saliva in the mouth. The digestion process continues in the stomach and is eventually finalized.
The digestion of foods is a chemical reaction. That is, foods are not just churned into pieces, they undergo chemical changes through the activities of enzymes.
In physical changes, substances only change physically and not chemically. Thus, they can be retrieved in most cases. This is unlike what is obtainable with chemical changes. Both the physical and chemical properties of food become irreversibly changed with the digestive activities of enzymes.
Thus, Mirabel is right in her assertion while Isabela is wrong.
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directed evolution of an improved aminoacyl-trna synthetase for incorporation of l-3,4-dihydroxyphenylalanine (l-dopa)
Answers
Directed evolution was used to improve an aminoacyl-tRNA synthetase (ARS) for incorporating l-DOPA, a precursor to dopamine. Variants of ARS were generated, and those with enhanced activity in l-DOPA.
Incorporation were selected through multiple rounds of screening and mutation. This iterative process allowed the evolution of an ARS enzyme with improved specificity and efficiency for l-DOPA, enabling its efficient incorporation into proteins for various applications, such as protein engineering or drug delivery.Directed evolution is a laboratory technique used to enhance the properties of enzymes, such as aminoacyl-tRNA synthetases (ARS), which play a crucial role in protein synthesis. In this case, the goal was to improve an ARS specifically for the incorporation of l-3,4-dihydroxyphenylalanine (l-DOPA), a compound used in the production of dopamine.
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The adaptations of a pelican include its long, pouch-like beak. Why is the beak of the pelican an example of an adaptation?
A.
The beak is a unique feature that is found only in pelicans.
B.
All birds have beaks, but the beaks vary among different species.
C.
The shape and structure of the beak have remained the same over many generations.
D.
The shape and structure of the beak are inherited and help the pelican survive in its environment
Answers
Answer:
D. The shape and structure of the beak are inherited and help the pelican survive in its environment
Explanation:
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Check the image for question
Answers
Hope this helps
Question 1
1 pts
In all organisms, there are large biomolecules that have functions necessary for survival. These molecules are made up of smaller subunits that are provided by the food we eat. Two of these macromolecules are proteins and carbohydrates. What structural characteristics could be used to differentiate these two molecules?
A. Proteins contain carbon, hydrogen and oxygen atoms.
B. Carbohydrates are made up chains attached to a glycerol.
C. Carbohydrates contain nitrogen bases held together with hydrogen bonds.
D. Proteins are folded into shapes which promote their functions.
Answers
The structural characteristics could be used to differentiate these two molecules is that proteins are folded into shapes which promote their functions.
Carbohydrates are polymers of glucose. The process of digestion breaks down complex carbohydrate molecules into simple monosaccharide units that can be involved in energy releasing process in the body.
Proteins are composed of carbon, hydrogen, nitrogen and sometimes, oxygen.
Proteins have primary, secondary and tertiary structures. The tertiary structure of a protein has to do with the folding of the structure into shapes to promote its function.
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Martha argue i that her mall rock i a living organim but becaue he found it in the gra in her yard
evaluate Martha’ argument uing the three part of the cell theory
Answers
Martha's rock is a living organism, it must have the ability to perform all the functions necessary for life, such as growth, reproduction, and response to stimuli.
These three parts of cell theory provide a basis for evaluating Martha's argument that her rock is a living organism. Martha's argument that her rock is a living organism can be evaluated using the three parts of cell theory.
The first part of cell theory states that all living organisms are composed of cells. To determine if her rock is a living organism, it needs to be tested to see if it is composed of cells. The second part of cell theory states that cells are the basic unit of life and that all cells come from preexisting cells. This means that if Martha's rock is a living organism, it must have originated from a living cell or cells.
Finally, the third part of cell theory states that cells carry out all the functions necessary for life. This means that if Martha's rock is a living organism, it must have the ability to perform all the functions necessary for life, such as growth, reproduction, and response to stimuli. These three parts of cell theory provide a basis for evaluating Martha's argument that her rock is a living organism.
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Which best describes the processes of mitosis and meiosis? Cells in mitosis go through the PMAT stages twice to produce diploid cells while cells in meiosis go through PMAT stages once to produce haploid cells Cells in mitosis and meiosis go through the PMAT stages twice to produce haploid cells. Cells in mitosis go through the PMAT stages once to produce diploid cells while cells in meiosis go through PMAT stages twice to produce haploid cells. O Cells in mitosis and meiosis go through the PMAT stages once to produce diploid cells.
Answers
Answer: Cells in mitosis go through the PMAT stages once to produce diploid cells while cells in meiosis go through PMAT stages twice to produce haploid cells. (3rd option)
Explanation:
Cells in mitosis go through the PMAT stages once to produce diploid cells while cells in meiosis go through PMAT stages twice to produce haploid cells.
Mitosis is a process by which a single cell divides to produce two daughter cells. In diploid (2n) organisms, somatic cells contain two copies of each homologous chromosome, thereby mitosis will produce two identical diploid cells. Mitosis consists of four phases: Prophase, Metaphase, Anaphase and Telophase.Meiosis is a process by which a single cell divides twice in order to produce four cells with half the original amount of chromosomes, it is for that reason that meiosis is recognized as a reductional division. Meiosis is divided into meiosis I and meiosis II. The phases of meiosis I include Interphase I, Prophase I, Metaphase I, Anaphase I, Telophase I, and cytokinesis; whereas the phases of meiosis II include Interphase II, Prophase II, Metaphase II, and Telophase II, and cytokinesis.During meiosis I, the chromosome or chromosomes duplicate their genetic information (S phase of the interphase I) and subsequently homologous chromosomes exchange genetic material during prophase I. In diploid organisms, these two daughter cells generated by meiosis I divide again in meiosis II in order to form haploid (n) gametes.Learn more in:
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analysis of the spinal tap shows the presence of gram-negative bacteria cocci; for this age group which bacteria would be the probable cause of these symptoms?
Answers
The bacteria would be probable cause of these symptoms is Neisseria meningitidis.
The outer membrane of Gram-negative bacteria contributes to their ability to cause disease. In the decades that followed group, B Streptococcus replaced Staphylococcus aureus as the most common Gram-positive bacterium causing early-onset sepsis.GBS and E. coli are currently the most frequently identified organisms.
When someone gets meningococcal sepsis the bacteria enter the bloodstream multiply and damage the walls of blood vessels. This leads to bleeding of the skin and organs. Symptoms may include fever and chills. Meningococcal meningitis is caused by a bacterium known as meningococcus. There are several species or serogroups of meningococci.
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what are
principle basis on classification
Answers
Answer:
Classification is a systematic ordering of the object of research, in this case, ecosystems at the earth's surface or, in other words: landscape units as 'holons'. As for general principles of classification, we can learn a lot from the best-known classification, the taxonomical classification of species.
Explanation:
How can naturally occurring events disrupt the cycling of essential
building blocks, such as carbon, nitrogen, and oxygen?
Answers
Answer:
Naturally occurring events can disrupt the cycling of essential building blocks such as carbon, nitrogen, and oxygen in a number of ways. For example, floods, fires, and other natural disasters can cause the release of large amounts of these elements into the atmosphere or into bodies of water, where they can be carried away and not returned to the original ecosystem. Additionally, changes in climate can cause changes in the availability of certain elements, leading to disruptions in the cycling of these elements. Finally, changes in land use can cause soil erosion, which can also disrupt the cycling of essential building blocks.
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Events such as wildfires, volcanic eruptions, and climate change can disrupt the cycles of carbon, nitrogen, and oxygen. Wildfires release carbon into the atmosphere, volcanic eruptions can alter the nitrogen cycle, and climate change affects the balance of gases, including oxygen.
Explanation:Naturally occurring events, such as wildfires, volcanic eruptions, and climate change, can disrupt the cycling of essential building blocks. For example, wildfires release a large amount of carbon into the atmosphere, disrupting the carbon cycle. Volcanic eruptions can release nitrogen and sulfur compounds which can alter the nitrogen cycle. Similarly, climate change, caused due to anthropogenic activities, can change the balance of gases in the atmosphere, thereby affecting the oxygen cycle.
Take a forest ecosystem for instance. In a normal scenario, the forest acts as a carbon sink, absorbing carbon dioxide from the atmosphere and storing it in the form of biomass. However, in the event of a wildfire, the same forest can turn into a carbon source, releasing stored carbon back into the atmosphere.
Volcanic eruptions, by releasing nitrogen and sulfur-based compounds, can result in acid rain. This acid rain can alter soil composition, affecting its ability to cycle and fix nitrogen thereby impacting plant growth and health. Besides, climate change induced by the increase in greenhouse gases can disrupt the balance of oxygen in the seawater affecting marine life's oxygen intake, disrupting the oxygen cycle subtly.
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Ice melting is an example of a
А
physical change.
B
emotional change
с
chemical change
D
seasonal change.
Answers
Answer:
A
Explanation:
Physical Change
The perception of water contamination and risky consumption in El Salvador from a Community Clinical Psychology Perspective
Answers
A Community Clinical Psychology perspective is crucial for understanding the perception of water contamination and risky consumption in El Salvador, considering the country's unique socio-cultural context and specific challenges.
El Salvador faces significant issues related to water contamination and risky consumption, which have a direct impact on the well-being and health of its population. A Community Clinical Psychology perspective in El Salvador would involve studying the psychological factors that influence individuals and communities' perception of water safety and risk assessment. This perspective would consider cultural beliefs, knowledge gaps, attitudes towards water sources, and the psychological consequences of living in an environment where water contamination is a concern.
By understanding these factors, interventions can be tailored to address misconceptions, promote accurate knowledge, and foster behavioral changes towards safe water practices. Additionally, a Community Clinical Psychology approach in El Salvador would emphasize the importance of community resilience, social support, and mental well-being in coping with the challenges associated with water contamination, thereby promoting holistic approaches to improving water-related outcomes in the country.
Since the question seems more like a statement, a rephrased question can be:
How does a Community Clinical Psychology perspective contribute to understanding the perception of water contamination and risky consumption in El Salvador?
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body images of women please
Answers
Answer:
Body images of women
Explanation:
Body images of women
3. Which phase of the cell cycle is the period of growth and development?
Answers
Answer:
interphase
Explanation:
A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division.
How can pollution reduce the rate of photosynthesis? Research work (60-90 words) unnecessarily,useless answers will be reported
Answers
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Air pollution has become an extremely serious problem. Air pollutants affect both plants and animals. Under polluted conditions, plants develop different physiological, morphological and anatomical changes. Pollutants cause damage to cuticular waxes by which then they enter the leaves through stomata. This further leads to injury to plants which can be either acute or chronic. Changes in stomata due to air pollutants which seem to be small can be of great consequence with respect to survival of the plant during stress. These effects can further lead to disturbing the water balance of leaf or whole plant. Respiration also gets affected because of the exposure of plants to air pollutants. The present paper deals with the effect of air pollutants on stomata as well as on respiration leading to affect gaseous exchange.
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Both asexual and sexual reproduction have advantages for species? Which of the following is an advantage of sexual reproduction?
It does not require organisms to use energy to find a mate
It results in genetic variation in the species
It allows a large number of identical organisms to be rapidly produced
It increases the number of chromosomes in each generation
Answers
Answer:
It results in genetic variation in the species
Think of two more words that begin with photo.what does each of your words mean?
Answers
Ok Makasih Banyak, Makasih Loh Poinnya
Scientific knowledge A. cannot be modified, even if new information challenges prevailing theories. B. was modified regularly early in human history, but it can no longer be modified. C. must be modified by popular vote from the general public. D. can be modified as new information challenges prevailing theories.
Answers
water-soluble hormones: a. are derived from arachidonic acid. b. are derived from cholesterol. c. are coupled to second messengers by g proteins. d. bind to receptors in the nucleus.
Answers
The water-soluble hormones are most accurately described as being coupled to second messengers by G proteins. Option C is correct.
Water-soluble hormones, such as peptides and proteins, are not derived from arachidonic acid or cholesterol. Instead, they are typically synthesized as pre-prohormones and processed into active forms. Examples include insulin, growth hormone, and adrenaline.
Water-soluble hormones do not bind to receptors in the nucleus like lipid-soluble hormones. Instead, they bind to receptors on the surface of target cells. Upon binding, these hormones activate intracellular signaling pathways through the coupling of G proteins.
G proteins are intermediary proteins that can transmit signals from cell surface receptors to intracellular targets. When a water-soluble hormone binds to its receptor on the cell surface, it triggers a series of events that ultimately leads to the activation of G proteins. These activated G proteins, in turn, stimulate the production of second messengers, such as cyclic AMP (cAMP) or calcium ions (Ca²⁺), which then propagate the hormonal signal within the cell.
Hence, C. is the correct option.
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A plant can have either tall (T) stems or short (t) stems. Two plants are crossed. One has the genotype Tt and the other has the genotype Tt. Fill in the Punnett square below for this cross. (1 point)T t T TT Tt t Tt tt this square has a ratio of 1:2:1.
b) What is the genotype ratio for this cross? (1 point)
c) What is the phenotype ratio for this cross? (1 point)
Answers
a) The Punnett square for the cross between two plants with genotype Tt and Tt is shown below:
T | t
--|--
T | TT
t | Tt
t | t
--|--
T | Tt
t | tt
The genotype ratio for this cross is 1:2:1 (TT:Tt:tt) as shown in the Punnett square.
b) The genotype ratio for this cross is 1:2:1 (TT:Tt:tt) as shown in the Punnett square.
c) The phenotype ratio for this cross is 3:1 (tall:short). This is because the T allele is dominant and masks the expression of the t allele in heterozygotes. Therefore, 3/4 of the offspring will have tall stems and 1/4 will have short stems.
Please help!!
Animals as tiny as fleas or ants are related to a much larger species such as alligators and manatees. which of the following statements best describes how all living things are alike?
Answers
Answer:
B
Explanation:
The statement that best describes how all living things are alike is that living things all have similar lungs for gas exchange in any environment. Thus, option B is correct.
What is cell?A cell is the structural and functional unit of life. Cells "operate" on the basis of the cell theory. The cell theory states that cells are the structural and functional unit of life and all living organisms are made up of one or more cells. All cells come from pre-existing cells.
When organisms are made up of one cell, they are called unicellular organisms and when organisms are made up of more than one cell, they are called multicellular organisms. Crocodiles are more closely related to birds than snakes because the evolution of birds from having snouts to beaks are slightly evident in crocodiles for they have more pointly snouts.
Therefore, The statement that best describes how all living things are alike is that living things all have similar lungs for gas exchange in any environment. Thus, option B is correct.
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What is proliferation in cells?.
Answers
Answer: mitosis
Explanation: